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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 843090Generated: October 25, 2026

(4-Fluorophenyl)hydrazine → 5-Amino-1-(2,4-difluorophenyl)4-(6-quinolinoyl)-pyrazole

https://huagongshe.com/reaction/843090

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(4-Fluorophenyl)hydrazineHCID 69982—
Reactant(2,4-Difluoro-phenyl)-hydrazineHCID 588958—
Reactant3-Oxo-3-(quinolin-6-yl)propanenitrileHCID 22262807—
Product5-Amino-1-(2,4-difluorophenyl)4-(6-quinolinoyl)-pyrazoleHCID 22262817—

Reaction Steps

Proceeding as described in Example 1, step 2, but replacing 2-(3-bromobenzoyl)acetonitrile with 2-(6-quinolinoyl)acetonitrile and substituting 4-fluorophenylhydrazine in step 3 with 2,4-difluorophenylhydrazine was obtained 5-amino-1-(2,4-difluorophenyl)-4-(6-quinolinoyl)-pyrazole.HCl (117) (mpt. 220-259.2).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06376527B1
Source datasetuspto-grants-2002_04
ORD IDord-51c5128c1c234108ac2cb144b38b2f1f
Source noteuspto-grants-2002_04